• 1 inch 115.3mm2
  • 14.2 megapixels
  • ISO 200 - 12,800
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 21.00mm - 105.00mm (35mm eq.)

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Differences

Nikon S2 advantages over Olympus TG-870

  • Larger sensor
    1 inch vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Slower slow-motion
    1200 fps vs 240 fps
    Supports slower slow-mo
  • Bigger pixels
    ~ 2.85 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    60.0 fps vs 7.0 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/16000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    12800 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Olympus TG-870 advantages over Nikon S2

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Newer
    3 years vs 5 years old
    Newer cameras often support more advanced features
  • More dots on screen
    920k vs 461k dots
    Can mean greater resolution or a brighter screen
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Buy the Nikon S2

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Buy the Olympus TG-870

Review Excerpt

The Competition

Compared to Pentax Q7

Nikon S2
Pentax Q7
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $195
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
Olympus TG-870
Pentax Q7
  • $399
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
  • $195
  • 1/1.7 inch
  • Less expensive
  • Focus peaking

Compared to Olympus TG-850

Nikon S2
Olympus TG-850
  • $399
  • 1 inch
  • Larger sensor
  • Slower slow-motion
  • $249
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Olympus TG-870
Olympus TG-850
  • $399
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Built-in GPS
  • $249
  • 1/2.3 inch
  • Less expensive

Compared to Samsung NX Mini

Nikon S2
Samsung NX Mini
  • $399
  • 1 inch
  • Bigger pixels
  • On-sensor phase detect
  • $580
  • 1 inch
  • Touchscreen
  • Tiltable Screen
Olympus TG-870
Samsung NX Mini
  • $399
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $580
  • 1 inch
  • Larger sensor
  • Bigger pixels

Compared to Pentax Q-S1

Nikon S2
Pentax Q-S1
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $350
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
Olympus TG-870
Pentax Q-S1
  • $399
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
  • $350
  • 1/1.7 inch
  • Focus peaking
  • Larger sensor

Compared to Olympus TG-860

Nikon S2
Olympus TG-860
  • $399
  • 1 inch
  • Larger sensor
  • Slower slow-motion
  • $230
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Olympus TG-870
Olympus TG-860
  • $399
  • 1/2.3 inch
  • More dots on screen
  • $230
  • 1/2.3 inch
  • Less expensive
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